Leverandør af glycidylmethacrylat (GMA) i Sydafrika
Reactive GMA monomer for epoxy-functional acrylic resins, powder coatings, adhesion promoters, and specialty copolymers.
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| CAS-nr | 106-91-2 |
| Formula | CH₂=C(CH₃)COOCH₂(epoxide) |
| Renhed | ≥ 97% |
| Udseende | Klar farveløs væske |
| Flash Point | 76 ° C |
| Kogepunkt | 189 ° C |
| inhibitor | MEHQ 100–200 ppm |
GMA in Functional Polymer Design
Glycidyl methacrylate combines a polymerisable methacrylate group with a reactive epoxide, enabling its incorporation into acrylic copolymers that retain latent crosslinking functionality. GMA-functional acrylic resins are the basis for epoxy-acrylic powder coatings, where carboxyl-capped polyesters crosslink with GMA units during stoving, replacing the toxicologically problematic TGIC crosslinker. GMA is also used as an adhesion promoter in coupling agents and as a reactive diluent.
Opbevaring og forsyning
GMA is a reactive monomer supplied inhibited and stored below 20 °C to prevent premature polymerisation. Terracore supplies in 25 kg and 200 kg drums. COA reports GMA assay (GC), epoxide equivalent, and inhibitor content. SDS provides storage requirements and PPE recommendations.
Applikationer
- Epoxy-functional acrylic resin synthesis
- TGIC-free powder coating binders
- Adhesion promoter for glass and metals
- Reactive impact modifier for engineering plastics
- Crosslinkable coating and ink systems
- Specialty copolymer synthesis
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